reader, and is likely
to have a larger sale than most books of its class."--_Springfield
Republican._

+6.--Bacteria+: Especially as they are related to the economy of
nature, to industrial processes, and to the public health.
By GEORGE NEWMAN, M.D., F.R.S. (Edin.), D.P.H. (Camb.), etc.,
Demonstrator of Bacteriology in King's College, London. With 24
micro-photographs of actual organisms and over 70 other
illustrations. 8o., net $2.00.

"Dr. Newman's discussions of bacteria and disease, of immunity, of
antitoxins, and of methods of disinfection, are illuminating, and are
to be commended to all seeking information on these points. Any
discussion of bacteria will seem technical to the uninitiated, but all
such will find in this book popular treatment and scientific accuracy
happily combined."--_The Dial._

+7.--A Book of Whales.+ By F. E. BEDDARD, M.A., F.R.S. Illustrated
8o. $2.00.

"Mr. Beddard has done well to devote a whole volume to whales. They
are worthy of the biographer who has now well grouped and described
these creatures. The general reader will not find the volume too
technical, nor has the author failed in his attempt to produce a book
that shall be acceptable to the zoologist and the naturalist."--_N. Y.
Times._

+8.--Comparative Physiology of the Brain and Comparative Psychology.+
With special reference to the Invertebrates. By JACQUES
LOEB, M.D., Professor of Physiology in the University of Chicago.
Illustrated. 8o. $1.75.

"No student of this most interesting phase of the problems of life can
afford to remain in ignorance of the wide range of facts and the
suggestive series of interpretations which Professor Loeb has brought
together in this volume."--JOSEPH JASTROW, in the _Chicago Dial._

+9.--The Stars.+ By Professor SIMON NEWCOMB, U.S.N., Nautical Almanac
Office, and Johns Hopkins University. 8o. Illustrated. Net.
$2.00. (By mail, $2.00.)

"The work is a thoroughly scientific treatise on stars. The name of
the author is sufficient guarantee of scholarly and accurate
work."--_Scientific American._

+10.--The Basis of Social Relations.+ A Study in Ethnic Psychology. By
DANIEL G. BRINTON, A.M., M.D., LL.D., Sc.D., Late Professor of
American Archaeology and Linguistics in the University of
Pennsylvania; Author of "History of Primi